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3 years ago

9

Again, thank you if you answer

1 answer:

Nadya [2.5K]3 years ago

8 0

Answer:

$x = -\frac{2}{3}$ or $-3.67$ (they're the same)

I hope this helps!

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Gigi earned $65 for 5 hours of gardening. She earned $90 for 9 hours of office work. Which statement correctly compares Gigi’s e

Mashutka [201]

Answer:

Even though you did not add choices, she makes more gardening.

Step-by-step explanation:

65 / 5 is 13, so she makes $13 an hour while gardening.

90 / 9 is 10, so she makes $10 an hour while doing office work.

3 0

3 years ago

4. Kaitlyn left her house for soccer practice at 4:15. She returned at 6:35. 20 points

kkurt [141]

Answer:

D. 2:20

Step-by-step explanation:

6 : 35 - 4 : 15 = 2 : 20

4 0

3 years ago

Read 2 more answers

Solve the following linear quadratic system of equations algebraically.<br><br> y=^2+3x-2<br> y+3=5x

USPshnik [31]

Answer:

$x=1$

$y=2$

Step-by-step explanation:

$y=x^2+3x-2$ , $y+3=5x$

Replace all occurrences of $y$ in $y+3=5x$ with $x^2+3x-2.$

$(x^2+3x-2)+3=5x$

$y=x^2+3x-2$

Add $-2$ and 3.

$x^2+3x+1=5x$

$y=x^2+3x-2$

Subtract 5x from both sides of the <u>equation.</u>

$x^2+3x+1-5x=0$

$y=x^2+3x-2$

Subtract 5x from 3x.

$x^2-2x+1=0$

$y=x^2+3x-2$

Rewrite 1 as $1^2$ .

$x^2-2x+1^2=0$

$y=x^2+3x-2$

Check that the middle <u>term</u> is two times the <u>product</u> of the numbers being squared in the first <u>term</u> and third <u>term</u>.

$2x=2$ · $x$ · $1$

$y=x^2+3x-2$

Rewrite the <u>polynomial</u>.

$x^2-2$ · $x$ · $1$ $+$ $1^2=0$

$y=x^2+3x-2$

Factor using the <u>perfect square</u>

<u>trinomial</u> rule $a^2-2ab+b^2=(a-b)^2,$

where a = x and b = 1.

$(x-1)^2=0$

$y=x^2+3x-2$

<u>Set</u> the $x-1$ equal to 0.

$x-1=0$

$y=x^2+3x-2$

Add 1 to both sides of the <u>equation</u>.

$x=1$

$y=x^2+3x-2$

Replace all occurrences of $x$ in

$y=x^2+3x-2$ with 1.

$y=(1)^2+3(1)-2$

$x=1$

$y=2$

3 0

3 years ago

X^2 + y^2 less than or equal to 16 <br> Please Graph with shaded areas

Ivanshal [37]

Answer:

See the diagram.

Step-by-step explanation:

$x^{2} +x^{2} \leq16$ represents a circular disc with centre $(0,0)$ and radius $4$

7 0

4 years ago

of the 35 largest cities in a country, 4 are located in state A. If state A has twice as many large cities as state B, how many

Hunter-Best [27]

State A has 4/35 of the largest cities in the country.

A has twice as many largest cities in the country than State B does.

This means State B has 2/35 of the largest cities in the country.

7 0

3 years ago